Ghost/ghost/email-service/test/sending-service.test.js
Hannah Wolfe 6161f94910
Updated to use assert/strict everywhere (#17047)
refs: https://github.com/TryGhost/Toolbox/issues/595

We're rolling out new rules around the node assert library, the first of which is enforcing the use of assert/strict. This means we don't need to use the strict version of methods, as the standard version will work that way by default.

This caught some gotchas in our existing usage of assert where the lack of strict mode had unexpected results:
- Url matching needs to be done on `url.href` see aa58b354a4
- Null and undefined are not the same thing,  there were a few cases of this being confused
- Particularly questionable changes in [PostExporter tests](c1a468744b) tracked [here](https://github.com/TryGhost/Team/issues/3505).
- A typo see eaac9c293a

Moving forward, using assert strict should help us to catch unexpected behaviour, particularly around nulls and undefineds during implementation.
2023-06-21 09:56:59 +01:00

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const SendingService = require('../lib/SendingService');
const sinon = require('sinon');
const assert = require('assert/strict');
const EmailBodyCache = require('../lib/EmailBodyCache');
describe('Sending service', function () {
describe('send', function () {
let emailProvider;
let emailRenderer;
let sendStub;
let replyTo;
beforeEach(function () {
sendStub = sinon.stub().resolves({
id: 'provider-123'
});
replyTo = 'ghost+reply@example.com';
emailRenderer = {
renderBody: sinon.stub().resolves({
html: '<html><body>Hi {{name}}</body></html>',
plaintext: 'Hi',
replacements: [
{
id: 'name',
token: '{{name}}',
getValue: (member) => {
return member.name;
}
}
]
}),
getSubject: sinon.stub().returns('Hi'),
getFromAddress: sinon.stub().returns('ghost@example.com'),
getReplyToAddress: () => {
return replyTo;
}
};
emailProvider = {
send: sendStub
};
});
afterEach(function () {
sinon.restore();
});
it('calls mailgun client with correct data', async function () {
const sendingService = new SendingService({
emailRenderer,
emailProvider
});
const response = await sendingService.send({
post: {},
newsletter: {},
segment: null,
emailId: '123',
members: [
{
email: 'member@example.com',
name: 'John'
}
]
}, {
clickTrackingEnabled: true,
openTrackingEnabled: true
});
assert.equal(response.id, 'provider-123');
sinon.assert.calledOnce(sendStub);
assert(sendStub.calledWith(
{
subject: 'Hi',
from: 'ghost@example.com',
replyTo: 'ghost+reply@example.com',
html: '<html><body>Hi {{name}}</body></html>',
plaintext: 'Hi',
emailId: '123',
replacementDefinitions: [
{
id: 'name',
token: '{{name}}',
getValue: sinon.match.func
}
],
recipients: [
{
email: 'member@example.com',
replacements: [{
id: 'name',
token: '{{name}}',
value: 'John'
}]
}
]
},
{
clickTrackingEnabled: true,
openTrackingEnabled: true
}
));
});
it('defaults to empty string if replacement returns undefined', async function () {
const sendingService = new SendingService({
emailRenderer,
emailProvider
});
const response = await sendingService.send({
post: {},
newsletter: {},
segment: null,
emailId: '123',
members: [
{
email: 'member@example.com',
name: undefined
}
]
}, {
clickTrackingEnabled: true,
openTrackingEnabled: true
});
assert.equal(response.id, 'provider-123');
sinon.assert.calledOnce(sendStub);
assert(sendStub.calledWith(
{
subject: 'Hi',
from: 'ghost@example.com',
replyTo: 'ghost+reply@example.com',
html: '<html><body>Hi {{name}}</body></html>',
plaintext: 'Hi',
emailId: '123',
replacementDefinitions: [
{
id: 'name',
token: '{{name}}',
getValue: sinon.match.func
}
],
recipients: [
{
email: 'member@example.com',
replacements: [{
id: 'name',
token: '{{name}}',
value: ''
}]
}
]
},
{
clickTrackingEnabled: true,
openTrackingEnabled: true
}
));
});
it('supports cache', async function () {
const emailBodyCache = new EmailBodyCache();
const sendingService = new SendingService({
emailRenderer,
emailProvider
});
const response = await sendingService.send({
post: {},
newsletter: {},
segment: null,
emailId: '123',
members: [
{
email: 'member@example.com',
name: 'John'
}
]
}, {
clickTrackingEnabled: true,
openTrackingEnabled: true,
emailBodyCache
});
assert.equal(response.id, 'provider-123');
sinon.assert.calledOnce(sendStub);
sinon.assert.calledOnce(emailRenderer.renderBody);
assert(sendStub.calledWith(
{
subject: 'Hi',
from: 'ghost@example.com',
replyTo: 'ghost+reply@example.com',
html: '<html><body>Hi {{name}}</body></html>',
plaintext: 'Hi',
emailId: '123',
replacementDefinitions: [
{
id: 'name',
token: '{{name}}',
getValue: sinon.match.func
}
],
recipients: [
{
email: 'member@example.com',
replacements: [{
id: 'name',
token: '{{name}}',
value: 'John'
}]
}
]
},
{
clickTrackingEnabled: true,
openTrackingEnabled: true
}
));
// Do again and see if cache is used
const response2 = await sendingService.send({
post: {},
newsletter: {},
segment: null,
emailId: '123',
members: [
{
email: 'member@example.com',
name: 'John'
}
]
}, {
clickTrackingEnabled: true,
openTrackingEnabled: true,
emailBodyCache
});
assert.equal(response2.id, 'provider-123');
sinon.assert.calledTwice(sendStub);
assert(sendStub.getCall(1).calledWith(
{
subject: 'Hi',
from: 'ghost@example.com',
replyTo: 'ghost+reply@example.com',
html: '<html><body>Hi {{name}}</body></html>',
plaintext: 'Hi',
emailId: '123',
replacementDefinitions: [
{
id: 'name',
token: '{{name}}',
getValue: sinon.match.func
}
],
recipients: [
{
email: 'member@example.com',
replacements: [{
id: 'name',
token: '{{name}}',
value: 'John'
}]
}
]
},
{
clickTrackingEnabled: true,
openTrackingEnabled: true
}
));
// Didn't call renderBody again
sinon.assert.calledOnce(emailRenderer.renderBody);
});
it('removes invalid recipients before sending', async function () {
const sendingService = new SendingService({
emailRenderer,
emailProvider
});
const response = await sendingService.send({
post: {},
newsletter: {},
segment: null,
emailId: '123',
members: [
{
email: 'member@example.com',
name: 'John'
},
{
email: 'member+invalid@example.com<6F>',
name: 'John'
}
]
}, {
clickTrackingEnabled: true,
openTrackingEnabled: true
});
assert.equal(response.id, 'provider-123');
sinon.assert.calledOnce(sendStub);
assert(sendStub.calledWith(
{
subject: 'Hi',
from: 'ghost@example.com',
replyTo: 'ghost+reply@example.com',
html: '<html><body>Hi {{name}}</body></html>',
plaintext: 'Hi',
emailId: '123',
replacementDefinitions: [
{
id: 'name',
token: '{{name}}',
getValue: sinon.match.func
}
],
recipients: [
{
email: 'member@example.com',
replacements: [{
id: 'name',
token: '{{name}}',
value: 'John'
}]
}
]
},
{
clickTrackingEnabled: true,
openTrackingEnabled: true
}
));
});
it('maps null replyTo to undefined', async function () {
const sendingService = new SendingService({
emailRenderer,
emailProvider
});
replyTo = null;
const response = await sendingService.send({
post: {},
newsletter: {},
segment: null,
emailId: '123',
members: [
{
email: 'member@example.com',
name: 'John'
}
]
}, {
clickTrackingEnabled: true,
openTrackingEnabled: true
});
assert.equal(response.id, 'provider-123');
sinon.assert.calledOnce(sendStub);
const firstCall = sendStub.getCall(0);
assert.equal(firstCall.args[0].replyTo, undefined);
});
});
describe('getMaximumRecipients', function () {
it('returns maximum recipients of email provider', function () {
const emailProvider = {
getMaximumRecipients: sinon.stub().returns(12)
};
const sendingService = new SendingService({
emailProvider
});
assert.equal(sendingService.getMaximumRecipients(), 12);
sinon.assert.calledOnce(emailProvider.getMaximumRecipients);
});
});
});